Home / 18,982.16-28,433.56-15,264.28

Finding the Fourth Proportional to 18,982.16, 28,433.56 and 15,264.28

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Solution

The fourth proportional to 18,982.16, 28,433.56 and 15,264.28 is: 22,864.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,982.16 : 28,433.56 = 15,264.28 : x
  2. Step 2: Convert to fraction form
    18,982.16/28,433.56 = 15,264.28/x
  3. Step 3: Cross multiply
    18,982.16x = 28,433.56 × 15,264.28
  4. Step 4: Simplify right side
    18,982.16x = 434,017,821.24
  5. Step 5: Solve for x
    x = 434,017,821.24/18,982.16
  6. Step 6: Final answer
    x = 22,864.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.